| Sebastian Andrzej Siewior | 348748b | 2012-01-11 12:45:56 +0100 | [diff] [blame] | 1 | #ifndef __USB_UAS_H__ |
| 2 | #define __USB_UAS_H__ |
| 3 | |
| 4 | #include <scsi/scsi.h> |
| 5 | #include <scsi/scsi_cmnd.h> |
| 6 | |
| 7 | /* Common header for all IUs */ |
| 8 | struct iu { |
| 9 | __u8 iu_id; |
| 10 | __u8 rsvd1; |
| 11 | __be16 tag; |
| 12 | }; |
| 13 | |
| 14 | enum { |
| 15 | IU_ID_COMMAND = 0x01, |
| 16 | IU_ID_STATUS = 0x03, |
| 17 | IU_ID_RESPONSE = 0x04, |
| 18 | IU_ID_TASK_MGMT = 0x05, |
| 19 | IU_ID_READ_READY = 0x06, |
| 20 | IU_ID_WRITE_READY = 0x07, |
| 21 | }; |
| 22 | |
| Gerd Hoffmann | 023b515 | 2012-06-19 09:54:54 +0200 | [diff] [blame] | 23 | enum { |
| 24 | TMF_ABORT_TASK = 0x01, |
| 25 | TMF_ABORT_TASK_SET = 0x02, |
| 26 | TMF_CLEAR_TASK_SET = 0x04, |
| 27 | TMF_LOGICAL_UNIT_RESET = 0x08, |
| 28 | TMF_I_T_NEXUS_RESET = 0x10, |
| 29 | TMF_CLEAR_ACA = 0x40, |
| 30 | TMF_QUERY_TASK = 0x80, |
| 31 | TMF_QUERY_TASK_SET = 0x81, |
| 32 | TMF_QUERY_ASYNC_EVENT = 0x82, |
| 33 | }; |
| 34 | |
| 35 | enum { |
| 36 | RC_TMF_COMPLETE = 0x00, |
| 37 | RC_INVALID_INFO_UNIT = 0x02, |
| 38 | RC_TMF_NOT_SUPPORTED = 0x04, |
| 39 | RC_TMF_FAILED = 0x05, |
| 40 | RC_TMF_SUCCEEDED = 0x08, |
| 41 | RC_INCORRECT_LUN = 0x09, |
| 42 | RC_OVERLAPPED_TAG = 0x0a, |
| 43 | }; |
| 44 | |
| Sebastian Andrzej Siewior | 348748b | 2012-01-11 12:45:56 +0100 | [diff] [blame] | 45 | struct command_iu { |
| 46 | __u8 iu_id; |
| 47 | __u8 rsvd1; |
| 48 | __be16 tag; |
| 49 | __u8 prio_attr; |
| 50 | __u8 rsvd5; |
| 51 | __u8 len; |
| 52 | __u8 rsvd7; |
| 53 | struct scsi_lun lun; |
| 54 | __u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ |
| 55 | }; |
| 56 | |
| Gerd Hoffmann | 023b515 | 2012-06-19 09:54:54 +0200 | [diff] [blame] | 57 | struct task_mgmt_iu { |
| 58 | __u8 iu_id; |
| 59 | __u8 rsvd1; |
| 60 | __be16 tag; |
| 61 | __u8 function; |
| 62 | __u8 rsvd2; |
| 63 | __be16 task_tag; |
| 64 | struct scsi_lun lun; |
| 65 | }; |
| 66 | |
| Sebastian Andrzej Siewior | 348748b | 2012-01-11 12:45:56 +0100 | [diff] [blame] | 67 | /* |
| 68 | * Also used for the Read Ready and Write Ready IUs since they have the |
| 69 | * same first four bytes |
| 70 | */ |
| 71 | struct sense_iu { |
| 72 | __u8 iu_id; |
| 73 | __u8 rsvd1; |
| 74 | __be16 tag; |
| 75 | __be16 status_qual; |
| 76 | __u8 status; |
| 77 | __u8 rsvd7[7]; |
| 78 | __be16 len; |
| 79 | __u8 sense[SCSI_SENSE_BUFFERSIZE]; |
| 80 | }; |
| 81 | |
| Gerd Hoffmann | 023b515 | 2012-06-19 09:54:54 +0200 | [diff] [blame] | 82 | struct response_ui { |
| 83 | __u8 iu_id; |
| 84 | __u8 rsvd1; |
| 85 | __be16 tag; |
| 86 | __be16 add_response_info; |
| 87 | __u8 response_code; |
| 88 | }; |
| 89 | |
| Sebastian Andrzej Siewior | ee398b5 | 2012-01-11 12:45:57 +0100 | [diff] [blame] | 90 | struct usb_pipe_usage_descriptor { |
| 91 | __u8 bLength; |
| 92 | __u8 bDescriptorType; |
| 93 | |
| 94 | __u8 bPipeID; |
| 95 | __u8 Reserved; |
| 96 | } __attribute__((__packed__)); |
| 97 | |
| Sebastian Andrzej Siewior | 348748b | 2012-01-11 12:45:56 +0100 | [diff] [blame] | 98 | enum { |
| 99 | CMD_PIPE_ID = 1, |
| 100 | STATUS_PIPE_ID = 2, |
| 101 | DATA_IN_PIPE_ID = 3, |
| 102 | DATA_OUT_PIPE_ID = 4, |
| 103 | |
| 104 | UAS_SIMPLE_TAG = 0, |
| 105 | UAS_HEAD_TAG = 1, |
| 106 | UAS_ORDERED_TAG = 2, |
| 107 | UAS_ACA = 4, |
| 108 | }; |
| 109 | #endif |